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The current gain of a transistor is defi...

The current gain of a transistor is defined as

A

the ratio of change in collector current to be change in emitter current for a constant value of collector voltage in a common base arrangement

B

The ratio of charge in collector current to the change in base current for constant collector voltage in a common emitter arrangement

C

the ratio of change in collector current to the change in base current for constant collector voltage in a common for constant arrangement

D

The ratio of change in emitter current to the change in collector current for a constant emitter voltage in a common emitter arrangement

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The correct Answer is:
A
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NIKITA PUBLICATION-SEMICONDUCTORS-MCQS
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  2. A transistor is preferable to a triode valve when used in amplifier be...

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  3. The current gain of a transistor is defined as

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  4. Transistors may not replace vacuum tubes in all uses because

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  5. In n-p-n transistor, the p-type crystal acts as

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  6. A transistor is used in the common emitter mode as an amplifier . Then

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  7. Which of the following element is used in making transistors ?

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  8. In transistor symbols, the arrows shows the direction of-

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  9. In an n-p-n transistor, the emitter current is always less than the em...

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  10. In case of an n-p-n transistor, the collector current is always less t...

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  11. In a transistor circuit, the emitter current is 50 mA and base current...

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  12. In p-n-p transistor , the p type crystal acts as

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  14. How is the emitter base junction in the transistor biasing ?

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  15. In a transistor with normal bias, the emitter base junction

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  16. The main current, crossing the collector junction in a normally biased...

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  17. Which of the following is not the disadvantage of transistor over a tr...

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  18. A radio or T.V. set which uses valves does not start operating immedia...

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  19. The emitter base junction is forward biased and the base collector jun...

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